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Base64URL Encode
x402
Base64URL Encode is a paid API for AI agents from x402-agent.kariguetoazul.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-13).
Encodes a plain text string into Base64URL format (URL-safe Base64 without padding)
Price / call$0.001
Success—
StatusUnknown
How this service works
Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.
Output
Returns a JSON object with a single field 'encoded' containing the Base64URL-encoded string (URL-safe Base64, typically without padding characters), e.g. {"encoded": "SGVsbG8gd29ybGQ"}.
Example use cases
Encode JWT payload segment
“I need to base64url-encode this JSON string for a JWT payload: '{"sub":"1234567890","name":"John Doe","iat":1516239022}'”
URL-safe token encoding
“Can you base64url-encode this API key so I can safely include it in a URL parameter: 'sk-live-abc123+/=='”
Encode webhook secret for transmission
“Please encode the text 'my-webhook-secret-value-2024' into base64url format so I can embed it safely in a query string.”
Technical details
Endpoint
POSThttps://x402-agent.kariguetoazul.workers.dev/api/encoding/base64url-encode?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, pay-per-call Base64URL encoding operation without setting up a local library or running code. Ideal for agents that need URL-safe encoding of tokens, JWT segments, or binary-safe text within a workflow that already uses x402 micropayment infrastructure. Not needed if you have local Base64URL encoding available.
Side effects
- Input text exceeds 4096 character limit — request rejected
- Empty or missing 'text' field — returns an error or empty encoded string
- Malformed JSON request body — HTTP 400 bad request
- Payment not provided or insufficient — HTTP 402 payment required
- Service unavailable due to Cloudflare Worker quota limits
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Text to process. |
Output
Schema · Response
{
"type": "json",
"example": {
"encoded": "SGVsbG8gd29ybGQ"
}
}Tags
x402
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